code: def get_expand_tensor(self, batch_C_prime):
      B, H, C = batch_C_prime.shape
      batch_C_prime = batch_C_prime.reshape([B, H * C])
      batch_C_ex_part_tensor = self.fc(batch_C_prime)
      batch_C_ex_part_tensor = batch_C_ex_part_tensor.reshape(
          [-1, 3, 2]
      )
      return batch_C_ex_part_tensor
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import paddle
  from paddle import nn, ParamAttr
  from paddle.nn import functional
  import numpy
label_desc: Use image node_id 7 for calling the GridGenerator obj's underlying member method code with example usage: obj.get_expand_tensor(batch_C_prime) and returns: batch_C_ex_part_tensor